CHARLESTON, West Virginia (CNN) - West Virginians will head to the polls Tuesday for the state's Democratic primary between Sens. Hillary Clinton and Barack Obama. But what will the vote there really mean after new delegate totals show Obama with a sizable lead?

Some say it could send a sobering message to Obama's Democratic supporters.

West Virginia is expected to go for Clinton big time - and the polls show it.

Clinton has a 43-point advantage over Obama, 66 percent to 23 percent, according to a survey from the American Research Group released Friday.

The poll was conducted after Tuesday's primary results and carries a margin of error of plus or minus 4 percentage points.

"This state is really Hillary Clinton's wheelhouse. It's an older population, socially conservative, blue-collar workers," said Kennie Bass, a political reporter for WCHS in West Virginia.

BEND, Oregon (CNN) - As they say in real estate, location, location, location. Sometimes where a candidate stumps is more telling than what they say on the stump. Today, Sen. Barack Obama is in Oregon, thousands of miles from the next primary state, West Virginia.

Campaigning in Bend, Oregon, Obama visited PV Powered, a company that produces photovoltaic cells a key component in solar energy systems. Not surprisingly Obama spoke about "investments in clean energy" and creating green jobs. The candidate, during a press availability this morning, even used a microphone he touted to reporters as partially solar powered.

Green plays well in Oregon, markedly less so in places like Kentucky and West Virginia, two other upcoming primary states where the coal industry provides thousands of jobs - at least 40,000 in West Virginia alone, and more than 15,000 in Kentucky.

The mayor of Beckley, West Virginia, Emmett Pugh, has endorsed Sen. Barack Obama. Pugh puts it plainly, “coal is still a very powerful force in West Virginia.”

Three days from now, West Virginians will cast votes in their state primary and polls show Sen. Hillary Clinton holds a massive lead over Obama - 66 percent to 23 percent, according to a survey released Friday from the American Research Group.

Obama hasn’t entirely given up on Coal Country. He plans to campaign in both West Virginia and Kentucky on Monday.

WASHINGTON (CNN) - Hillary Clinton's campaign released a new ad in Oregon Friday, featuring two familiar faces: Ambassador Joe Wilson and his wife, Valerie Plame, who was the undercover operative in the highly publicized CIA leak case.

In the ad, they say Clinton has the "strongest plan to end the Iraq War and bring our troops home safely," according to the campaign.

The 30-second ad, dubbed "Strongest Plan," comes as Oregonians vote by mail in advance of the state's May 20 primary.

The Clinton campaign says the Wilsons played a "critical role in drawing attention to the Bush Administration's exaggerated claims about weapons of mass destruction in Iraq, and have been outspoken critics of the conduct of the war."

WOODBURN, Oregon (CNN) – Asked Friday if he might consider helping Hillary Clinton raise money to relieve some of her campaign debt, Barack Obama said Friday that he has not yet talked to his staff about the possibility, but added he thinks any of the also-rans for the Democratic nomination would be in a "strong position" to help the eventual nominee.

Pressed by reporters, the Illinois senator continued, "Obviously I'd want to have a broad range discussion with Sen. Clinton about how I could make her feel good about the process and have her on the team moving forward."

"But as I said, it's premature right now. She's still actively running, and we've still got business to do here in Oregon and other states."

Obama's comments came at a media availability at a taco restaurant in Woodburn, Oregon - his first gaggle with press since the Indiana and North Carolina primaries.

"I had to face some very difficult spending decisions and I've had to conduct sensitive diplomacy. That's called planning for a wedding," Bush told the Hispanic Chamber of Commerce on March 12.

The plans are largely under wraps, but they call for gathering by a lake in front of an altar and four-foot high cross made from Texas limestone.

"This is the time when the wildflowers are all blooming. And I think it will be a very, very lovely wedding, and it will be very like Jenna and Henry," first lady Laura Bush recently said.

Jenna Bush told CNN's Larry King on April 24 that the wedding will include "all relatives, our families, really, kind of big. So it's half-family and then half-very close friends." More wedding details »